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A081508 Primes of form 1+3^n+5^n. 1
3, 244672067, 14551915378461487103639747, 3552713678880267372432493847753987, 211758236813575107295480170109084902352995775163267 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Do[s=1^w+3^w+5^w; If[IntegerQ[w/100], Print[{w}]]; If[PrimeQ[s], Print[{w, s}]], {w, 0, 1000}]
CROSSREFS
Sequence in context: A229092 A058469 A367670 * A368722 A067481 A058433
KEYWORD
nonn
AUTHOR
Labos Elemer, Apr 15 2003
STATUS
approved

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Last modified June 22 20:54 EDT 2024. Contains 373608 sequences. (Running on oeis4.)